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Shark Hive SQL on Spark Michael Armbrust. Stage 0: Map-Shuffle-Reduce Mapper(row) { fields = row.split("\t") emit(fields[0], fields[1]); } Reducer(key,
![Shark Hive SQL on Spark Michael Armbrust. Stage 0: Map-Shuffle-Reduce Mapper(row) { fields = row.split("\t") emit(fields[0], fields[1]); } Reducer(key,](https://static.fdocuments.us/doc/330x215/5519b3d155034660578b46e3/shark-hive-sql-on-spark-michael-armbrust-stage-0-map-shuffle-reduce-mapperrow-fields-rowsplitt-emitfields0-fields1-reducerkey.jpg)
